• Ịdị ike nke elu Ra <0.5 μm
• Ọkọlọtọ ndidi: ASTM A269, ma ọ bụ D4/T4
• Ike - Ịkwụsị, gbawara
• Isi ike - Rockwell, Micro
• Ụda - Eddy Ugbu a, Ultrasonic
• Leak & Ike - Hydrostatic
• Leak - Ikuku n'okpuru mmiri
• Nnwale gbagọọ - tụgharịa na-ehulata, na-eme ka ọ dị nro, na-atụgharị azụ, flange
• Akụkụ - OD, Wall, kwụ ọtọ
• Metallurgical - nha ọka, nhụsianya, corrosion, nguzozi oge/intermetallic, metallographic.